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关于Vec2D类中重载的 + 运算符,对于代码 Vec2D r1, r2; // initialize r1, r2; cout << r1 + r2; 说法正确的是
A.通过对象 r1 调用了重载的 + 运算符
B.通过对象 r2 调用了重载的 + 运算符
C.通过 cout 返回的对象调用了重载的 + 运算符
D.其它三个说法都不对
参考答案和解析
通过对象 r1 调用了重载的 + 运算符
更多 “关于Vec2D类中重载的 + 运算符,对于代码 Vec2D r1, r2; // initialize r1, r2; cout << r1 + r2; 说法正确的是A.通过对象 r1 调用了重载的 + 运算符B.通过对象 r2 调用了重载的 + 运算符C.通过 cout 返回的对象调用了重载的 + 运算符D.其它三个说法都不对” 相关考题
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